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root/Development/ray/src/rt/rmain.c
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Comparing ray/src/rt/rmain.c (file contents):
Revision 1.41 by greg, Wed Jun 26 08:46:18 1991 UTC vs.
Revision 1.42 by greg, Thu Jul 18 15:43:29 1991 UTC

# Line 87 | Line 87 | extern double  shadthresh;             /* shadow threshold */
87   extern double  shadcert;                /* shadow testing certainty */
88   extern int  directrelay;                /* number of source relays */
89   extern int  vspretest;                  /* virtual source pretest density */
90 + extern int  directinvis;                /* light sources invisible to eye? */
91  
92   extern int  maxdepth;                   /* maximum recursion depth */
93   extern double  minweight;               /* minimum ray weight */
93 – extern long  nrays;                     /* number of rays traced */
94  
95   extern COLOR  ambval;                   /* ambient value */
96   extern double  ambacc;                  /* ambient accuracy */
# Line 192 | Line 192 | char  *argv[];
192                          case 'p':
193                                  check(3,1);
194                                  vspretest = atoi(argv[++i]);
195 +                                break;
196 +                        case 'i':
197 +                                check(3,0);
198 +                                directinvis = !directinvis;
199                                  break;
200                          default:
201                                  goto badopt;

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